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HelpTest Code DAS#1400 F Drug Abuse Screen #1400 Forensic
Useful For
Outside client testing only.
Screening and confirmation of amphetamines, THC-COOH, cocaine,
opiates, barbiturates, benzodiazepines, methadone, carisoprodol,
propoxyphene, meperidine, oxycodone, tramadol, ketamine and
ethanol.
Forensic drug testing that requires chain of custody form. Used for
pre-employment, reasonable suspicion and post accident.
Patient Preparation
No special patient preparation required
Special Collection Instructions
Donor should be collected following forensic drug testing protocol.
Collection Method
Random urine
Minimum Volume
30 mL
Container
Sterile Cup
Preferred Specimen
30 mL freshly voided urine
Acceptable Specimens
30 mL freshly voided urine
Reference or Target Ranges
| Drug | Screening Cutoff | Confirmation Cutoff |
|---|---|---|
| Amphetamines | 500 ng/mL | 250 ng/mL |
| Barbiturates | 300 ng/mL | 200 ng/mL |
| Benzodiazepines | 300 ng/mL | 100 ng/mL |
| Cannabinoids (THC) | 50 ng/mL | 15 ng/mL |
| Carisoprodol | 100 ng/mL | 100 ng/mL |
| Cocaine | 150 ng/mL | 100 ng/mL |
| Ethanol | 20 mg/dL | 20 mg/dL |
| Ketamine | 100 ng/mL | 100 ng/mL |
| Meperidine | 100 ng/mL | 200 ng/mL |
| Methadone | 300 ng/mL | 200 ng/mL |
| Opiates | 300 ng/mL | 300 ng/mL |
| Oxycodone | 100 ng/mL | 300 ng/mL |
| Propoxyphene | 300 ng/mL | 200 ng/mL |
| Tramadol | 100 ng/mL | 200 ng/mL |
Reportable Units
See table
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | N/A |
| Icterus Threshold | N/A |
| Lipemia Threshold | N/A |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
| Ambient | 48 hours |
| Refrigerated (4°C to 8°C) | 31 days |
| Frozen(-40°C to 0°C) | 365 days |
Performance Information
| Days and Time Performed | Monday – Friday 730 AM – 430 PM |
| Expected Turn Around Time | Negative Screen: 24 hours Positive Screen: 72 hours |
| Stat Availability | No |
| Performing Bench | Toxicology |
| Methodology/Method Description | Screen: Olympus AU680 – EIA Confirmation: GCMS – Solid phase extraction/Gas chromatography mass spectrometry |
Additional Information/Important Notes
Any test screening positive will be confirmed by GCMS analysis.
Panel Components
- Amphetamines
- THC-COOH
- Cocaine
- Carisoprodol
- Opiates
- Barbiturates
- Benzodiazepines
- Methadone
- Meperidine
- Oxycodone
- Tramadol
- Ketamine
- Propoxyphene
- Ethanol